1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661f5d166ef648da7a168de01286a96677dd357418c7dd9970ab423b0d8417c4. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/23ee4771-44cf-4363-980c-dbf6f18004ee.json and https://artists.proofprofile.net/proofs/artist/23ee4771-44cf-4363-980c-dbf6f18004ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hotteterre: Complete Chamber Music, Vol. 3
Première suite de pièces à 2 dessus, Op. 4: I. Gravement et gay, les croches égales
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44bc69035c058591301bd880c56aa92e8fbf202a98d6e74b4c84921f3cca99f8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB201503809.
Concerto in F major for Recorder, Strings & Basso continuo: Adagio
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Concerto in F major for Recorder, Strings & Basso continuo: Menuet 1 & 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8df664e8871e0cb28067fe8f08065c9caacf95657669f3d9b1a077fbaf073479. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479100090.
Concerto in E minor for Oboe, Strings & Basso continuo: Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53ec09a866e4983a4e5223c4804b24af18020a486735bf82abf90519883e5c3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479100091.
Concerto in E minor for Oboe, Strings & Basso continuo: Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a2dccd5450c7fca8a13952576b4d320e4286eddd4a3653909e5f3c5dc8de3af. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479100092.
Concerto in D major for Flute, Strings & Basso continuo: Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddffce1391b7328c30d9ce98d02c1e643b4cb1ee732533001e1fe1d0f6a00797. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479100095.
Concerto in A minor for Recorder, Viola da Gamba, Strings and Basso continuo: Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb7ca6a3a0039e4dddb8e45ac882d4d40dd5f74aedc313ca9f57ae0c14af40f9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479100099.
Concerto in A minor for Recorder, Viola da Gamba, Strings and Basso continuo: Allegro
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Concerto in D major for Bassoon, 2 Violins, Strings & Basso continuo: Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4b6db5391788019600175f6338f46a4182c2cfe66a86891f7537f62decb159. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479100106.
Concerto in A minor for Recorder, Viola da Gamba, Strings and Basso continuo: Dolce
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c90728e2d8923ba053e84ea0a275080a9c1f83f8ac0137d7c154e399ae36ae9. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479100101.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb0e2a594d27f8eaad5da37c37ac89b272dd51cfdbe7e5532272cecbf25c47f5. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE479100102.
J.S. Bach: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051; Sonata for Viola da Gamba in G Minor, BWV 1029; Violin Sonata in F Minor, BWV 1018 (Live)
Telemann: The Grand Concertos for Mixed Instruments, Vol. 2
Schneider, Michael: French Recorder Music, Vol. 2
Pièces de Viole, Suite No. 1 in A Minor: IX. Petit caprice
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Brandenburg Concerto No. 1 in F Major, BWV 1046: I. (Allegro) - Live from Teatro Romolo Valli, Reggio Emilia, 2007
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Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae27f01638f1cd89e5da97419e4d61ed7b817b8b54016fa59dfd28d66dfe9796. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960702012.
Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33cbf8269fa84659e5f7c84554458543a1e4a43ac4894a7cb0cb59ba6207595c. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960702043.
Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuett - Trio - Polonaise - Menuett - Trio - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31b405c4c6dcaa776df4073f4e244b5cd443f3afa4a718f40b5567c2c4c11f6b. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960702014.
Brandenburg Concerto No. 3 in G Major, BWV 1048: I. (Allegro) - Live from Teatro Romolo Valli, Reggio Emilia, 2007
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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a29098edecfe020df1aa20bcbfb01f4c1d462fe71e68912cd1a5cd8cb9309e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960702031.
Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf34dd1bd4df0114c68e67369e210fb77252bc527641d035914c5709eaf3357. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960702062.
Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Live from Teatro Romolo Valli, Reggio Emilia, 2007
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. (Allegro) - Live from Teatro Romolo Valli, Reggio Emilia, 2007
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto - Live from Teatro Romolo Valli, Reggio Emilia, 2007
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Flute Sonata in E Minor, Op. 3, No. 3: II. Larghetto
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Flute Sonata in E Minor, Op. 3, No. 3: III. Minuet
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Flute Sonata in E Minor, Op. 3, No. 3: IV. Giga
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Lute Suite in E Minor, BWV 996: VI. Gigue
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Lute Partita in C Minor, BWV 997: I. Prelude
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Lute Partita in C Minor, BWV 997: II. Fugue
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Telemann: Solos & Trio Sonatas for Recorder
Le tombeau de Monsieur de Sainte Colombe
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Sonderlich auff Violen: Musiques des XVIIe et XVIIIe siècles pour les violes de gambe
Recorder Recital: Schneider, Michael - Handel, G.F. / Telemann, G.P. / Barsanti, F. / Scarlatti, A. / Sammartini, G. / Mancini, F. / Castrucci, P.
The Art Of The Recorder, PJ Belder Part: 2
The Art Of The Recorder, PJ Belder Part: 1
Choral Music – Schein, J.H. / Bach, C.P.E. / Kirnberger, J.P. / Doles, J.F. / Hiller, J.A.